Amoeba Sisters: Circulatory System

What is the primary function of the circulatory system?

• To digest food

• To produce blood cells

• To transport nutrients and gases throughout the body

• To control body temperature

What color is human blood inside the body?

• Blue

• Red

• Green

• Transparent

What is the main function of red blood cells?

• To transport gases

• To fight infections

• To clot blood

• To carry nutrients

Which side of the heart pumps deoxygenated blood?

• Neither side

• Right side

• Left side

• Both sides

What do arteries generally carry?

• Nutrients only

• Oxygen-rich blood

• Oxygen-poor blood

• Waste products

Where does the exchange of oxygen and carbon dioxide take place?

• In the capillaries

• In the veins

• In the arteries

• In the heart

What is the first chamber the deoxygenated blood enters in the heart?

• Left ventricle

• Left atrium

• Right ventricle

• Right atrium

Which valve does blood pass through to go from the left atrium to the left ventricle?

• Mitral valve

• Tricuspid valve

• Pulmonary valve

• Aortic valve

What condition involves an opening in the septum allowing mixing of oxygen-rich and oxygen-poor blood?

• Heart failure

• Cardiac arrest

• Ventricular septal defect

• Atrial septal defect

Which arteries supply blood to the heart itself?

• Pulmonary arteries

• Capillaries

• Coronary arteries

• Aorta